Question about Linksys Cable/DSL 802.11n Security Rtr (DHWRVS4400N) Firewall

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How to get rid of old "unsecured" wireless network

Hi all,
Hope someone can advise.
I have been using a Linksys BEFW11S4 router on an unsecured cable network. Noticing that it was considerably slower in the evenings, I thought that someone was tapping into my account. I went to the web address to change the settings, and made adjustments both to the name of the account, the address just mentioned, and the WEP settings. The new secure network worked just fine. Problem is, the old unsecured "Linksys" network still showed up on the list of wireless networks and was still usable by other computers.
How do I get rid of it and have only the new secure network?
Thanks in advance to anyone who can help!

Posted by on

  • slruss63 Jan 26, 2009

    Thank you very much for the help.

    Yes, this explains most of it. I had unplugged the Linksys box and used the Ethernet connection for the internet, but the Linksys connection was still showing up. It does appear that the neighbor has an unsecured Linksys account also.

    Only thing it does not explain is why my newly secured wireless connection also seemed to function slowly in the evening. My computer verified that it was connected to the secure connection, so I don't see how another person's account could slow it down.



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Are you referring to the Linksys SSID showing up when you browse for available wireless networks? Also, are you in an apartment building or otherwise relatively close to other houses/residents? It is possible that you and a neighbor both have Linksys APs and if neither was secured originally, your neighbor could have been connecting to your AP and vice versa. This definitely would explain slowness especially if you or your neighbor does any type of video or audio streaming.

One way to test this is to shutoff your Linksys router and view available wireless networks on your computer. If "Linksys" still shows up, it is most likely someone else's router/AP.

As long as your SSID shows up and you can only connect to it via the WEP key, your AP is secure.

Let me know if you get different results than I explained above.

Dave Grannas

Posted on Jan 26, 2009

  • davegrannas Jan 26, 2009

    The slowness you're experiencing may be due to the WEP encryption. The following is a link to a throughput test conducted with and without WEP enabled.

    The result was a 50% cut in throughput with WEP enabled. This may be the problem if you are experiencing slowness all the time. If the slowness only occurs at night you may be competing with your neighbor's AP if the APs are using the same channel. Try changing the channel your AP is listening on.

    Good luck.

    Dave Grannas


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